Bracelet



July 19, 1927.

, 1,636,639 P. W. JONES BRACELET Filed March 26, 1927 j e zizal 4 13 2228.

BY /z A TTORNEYS.

Patented July 19, 1927.

UNITED STATES PERCIVAL W. JONES,

OF PROVIDENCE, RHODE ISLAND,- A CORPORATION OF RHODE ISLAND.

BRACELET.

Application filed March 26, 1927. Serial No. 178,676;

This invention relates to an improved construction of bracelet or chain formed of a plurality of units flexibly connected together; and the object of the invention is the constructlon of a bracelet or chain having a series of units of each comprising a boxlink and a slide link therein movable one relative to the other in the direction of the length of the bracelet with the slide link of one unit detachably connected to the box link of the next unit for the purpose of easily adding or removing link units of the chain to regulate the operating length of the bracelet.

A further object of the invention is to provide a readily accessible pinfor connecting the slide link of one unit to the box link of the next unit, the pin being movable endways for disconnecting the links with means for holding it in the different positions to which it may be moved.

A still further object of the invention is to limit the endways movement of the connecting pin for detachably securing a slide link to a box link so that the pin cannot be accidentally lost or moved to such an extent as to become disengaged from the slide link in which it is mounted.

With these and other objects in view, the invention consists of certain novel features of construction, as will be more fully described, and particularly pointed out in the appended claims.

In the accompanying drawings:

Figure 1 is a perspective view of two of the units of my bracelet connectedtogether with parts broken away to show their internal construction. v

Figure 2 is a perspective view of the slide link.

Figure 3 is a perspective view of the box link in which the-slide link is housed when the units are in their contracted position.

Figure 4 is a perspective view of the pin for connecting a slide link of'one unit to the box link of the next unit.

Figure 5 is a perspective View of the sleeve for frictionally embracing-the connecting pm. I

Figure 6 is a sectional viewof the pin mounted in the sleeve.

Figure 7 is a perspective view of a modiitsmovement inthe slide link by enlarging fied form of pin. I I

Figure 8 is a sectional end view of the pin of Figure 7 mounted in the sleeve.

Figure 9 is a perspective view of a still further modified form of pin.

Figure 10 isa perspective view of the sleeve for engaging the pin shown in Figure 9. 1

Figure 11 is a perspective view of the pin of Figure 9 and sleeve of Figure 10 assembled. v

Figure 12 is a central sectional view of two of the units assembled.

Figure 13 is a central sectional'view at right angles to that shown in Figure 12.

Figure 141 is a top view partly in section showing the method of detaching one unit from the next unit.

It is found in the practical construction and operation of bracelets of the type hav- :ing a plurahtyof extendible units that they may be detached one from the other by manual manipulation without the use of spe- 01 a1 tools and in order to accomplish this in a simple and practical way, I have mounted a pin which may be moved endways for detachably connecting the slide link of onev unit to the box link of the next unit, the same being held in itsposition by frictional engagement with the sleeve which extends between the walls of the slide link and yet or WARWICK, nnonn ISLAND, ASSIGNOR 'ro nosnnnnm co. 11m,

permits movement thereof for detaching purposes; and the following is a detailed description of the-present embodiment of this invention showing one means by which these advantageous results may be accomplished:-

With reference tothedrawings, 10 designates a box link, having a top wall 11 folded to provide side walls 12 and bottom wall 13. Within this box link there is mounted a slide link 14 having a top wall 15, side walls 16 and an end wall 17 between which and the folded-in abutment'18 of the box link, a spring 19 acts tonormally hold. the slide contracted and'housed within the box 10.

; Ears-20 and 21' on the box link and slide link overlap sufliciently to receive a pin 22' to pivotally'connect the units together. A

sleeve 23 1smounted over the pin 22 and is of a length to extend between the side walls 16 of the slide link as clearly illustrated in Figures 12, 13, and 14. 1

I have'provided stops on the pin to limit the pin between .thesides of slide link and providing square shoulders 24 as il u ted in Figures 4 and 7 or I may strike up suitable projections 2541s illustrated in Figures 9 and 11 which engage the side wallsl'fi of the slide link to prevent undue endways movement of the pin therein.

I have found it desirable to provide resilient frictional engagement between the sleeve and the pin, which is accomplished by split ting the sleeve as at 26, shown in Figureb, or by splitting the pin as at 27'to provide arms 28, as illustrated in Figure 7, the sleeve having an internal diameter slightly "less than the external diameter of the pin and allowing the split part to be moved from its normal position against the inherent tension of the. stock to yieldingly hold the parts in engagement, and when the split pin is used a sleeve 29 which is not split will function and. hold the pin in position. In order to in crease the friction between the pin and the sleeve the engaging surfaces may be roughened as at 30 in the sleeve illustrated in Figure 5 or at 31 onthe pin as'illustrated in Figure 4 or'this frictional engagement may be provided by depressing the inner surface of the sleeve as at 32, in the sleeve 33 of Fig;- ure 10 and raisinga projecting rib 34 on the pin in 'Figure 9 to snap into this depression when the pin is in the desired position, it being understood that various other depressions' and formations m 'ht also be added between the sleeve and pin to, increase the holding force'thereoi'. The projections 25 on the pin may be guidedin the split of the sleeve and extend outwardly through the split of the. sleeve sufficiently totorm a tingerpiece for manual manipulation for disengagement of the pin from the walls of the.

box link of one of the units to permit the same to be detached.

It will be understoodfthat in instances where a pin extends-through the walls of the-box link that a common pin or any other small instrument may be used" for pressing, the pin endways to permit the box link and the slide link to be detached as illustrated in Figure 14, the reverse operations serving for assemliling or attaching I one unit tothe other, it being understood that the pin may be pressed from its opposite end to move the same back intoyposition to engage opposite walls of theb'ox; link.

The foregoingdescription is directed solely towards the construction illustrated, but-I desire it togbe understood that I reserve the privilege of resorting to allthe mechanical changesto which the device-is susceptible, the invention being defined and limited only by the terms of the appended elainrs'.

I claim: 7 I 1.. An extendible chainstructurecomprising a series-of units, each comprising a; box

link and a slide link mounted therein for limited relativomovement, a pin mounted in 1 said slide link for 'end ways mevem'ent with its ends extending into the walls of the next adjacent'box link and detachable therefrom by such endways movement, and means car ried by said slide link for retaining said pin in the different positions to which; it is moved. a

2. An extendible chain structure comprising series of units, each comprising a box link and a slide link mounted therein for limited relative movement, said links having corresponding top and side walls, a pin mounted and endways movable in the side walls of said slide link with its ends extending into the side walls of the'box link of the next adjacent unit to connect the same there' to,v said pin being detachable fr'oms'aid box link by endways movement, and means carried by said slide link for frictionally retaining said pin in the different positions to which itmay be moved.

' 3; An extendible chain structure comprisi-ng'a series of units, eachcomprising box link and a slide link mounted therein for limited relative movement, s'aid-linkshaving corresponding side walls, a pin mounted and endways-movable in'the side wallsot said slide links, a sleeve extending between the side walls of said slide link and frictional'ly engagingsaid pin and hold the samein its desiredposition, the ends of saidpin eritend ing into the walls of the box link of the adj acent unit to connect the slide link thereto, said slide linkbeing detachable therefrom by the en dway's movement otsaid; pin.

4. An extendibl'e chainstrn'cturecom-pris ing a series of units; each comprising a box link and a slide link mounted therein for limited relative movement, said links having correspondingside walls, a pin mounted and end ways movable in the side wal'ls'of' said slide link, a sleeve extending between the 'endways movablein the side wallsof said slide link, a split sleeve extending between tl'iesi dewalls of said slide link and having resilient frictional engz'tgement with sa id pin to hold the same in its desiredposition the ends ot saicl'pin extendin'ginto the walls of the-"box-link of the'a djacent unit to connect the slide link thereto, said slide link being detachable iYl IGIGfI- OIH =bytheendways move ment of said pin.

6; Anextend-ible chain structure comprismg a series of units, each comprlsmg a box lli i link and a slide' liinkmounted therein. for

limited relative-movement, said links having corresponding side Walls, a pin mounted and endwavs movable in the side Walls of said slide link a sleeve extending between the side walls of said slide link and fr'ictionally engaging said pin to hold the same in its desired position, the surface between said pin and sleeve being roughened to assist in holding the pin in adjusted position, the ends of said pin extending into the Walls oi the box link of the adjacent unit to connect the slide link thereto id slide link being detachable therefrom by the endiva vs movement oi? said pin.

7. An extendible chain structure comprising a series of units, each comprising a box link and a slide link mounted therein for limited relative movement, said links having corresponding side vvalls, a pin mounted and endwavs movable in the side Walls, of said slide link a sleeve extending between the side Walls oi said slide link and friction all engaging said pin to hold the same in its desired position and formations on said pin and the inner surface of said sleeve respectively consisting of depressions and a projection for holding the pin in adjusted position.

8. An extendible chain structure comprising a series of units each comprising a box link and a slide link mounted therein for limited relative movement said links having corresponding side Walls, a pin mounted and endWays movable in the side Walls of said slide link a sleeve extending between the side Walls of said slide link and frictionally engaging said pin to hold the same in its desired position, the ends of said pin extending into the Walls of the box link of the adjacent unit to connect the slide link thereto, said slide link being detachable therefrom by the endxvays movement of said pin, and means to limit the endvvays movement of said pin in said slide link.

9. An extendible chain structure comprising a series of units, each comprising a box link and a slide link mounted therein for limited relative movement, said links having corresponding side Walls, a pin mounted and endways movable in the side Walls of said slide link, a split SlGGVu extending between the side walls of said slide link and having resilient frictional engagement with, said pin to hold the same in its desired position, the ends of said pin extending into the Walls of the box link of the adjacent unit to connect the slide, link thereto, said slide link being detachable therefrom by the endways movement of said pin, and projections extending from said pin through the split in said sleeve to limit the movement of said 'pin in said slide link and at the same time Serve as a finger piece for moving said'pin endWays.

In testimony whereof I affix my signature.

PERCIVAL W. Jones. 

